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quantum entanglement
Trends
- 1Quantum memory stores single photons for record time▼Quantum memory stores single photons for record time in major leap towards a quantum internet
Researchers report a quantum memory that has stored single photons for a record length of time, a result described as a major step towards building a quantum internet. Long-lived storage of individual light particles is a key requirement for quantum repeaters, the devices needed to send entangled signals across continental distances. The achievement is drawing attention as a milestone in quantum communication research.
- 2Deterministic programmable fusion enables scalable photonic graph states▼Deterministic and programmable fusion for the scalable generation of photonic graph states
Researchers report a deterministic and programmable fusion scheme for the scalable generation of photonic graph states, publishing the work in Nature. The approach promises more reliable construction of the entangled light states needed for photonic quantum computing and networking, replacing probabilistic methods that limit scalability.
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A ranking of the most persistent myths in physics is drawing wide attention, covering popular misconceptions such as the idea that nothing can travel faster than light or that quantum entanglement allows faster-than-light communication. The piece walks through each claim and explains what the science actually says, prompting discussion among science fans about which myths are most widely believed.
- 4Scientists crack 25-year quantum entanglement challenge▼Quantum teleportation breakthrough: Scientists crack a 25-year entanglement challenge
Researchers report a breakthrough in quantum teleportation, solving a problem in entanglement that has stood for 25 years. The advance could strengthen quantum communication and computing research, though the specific team, method and institution behind the result are not detailed in available coverage. Details of the experiment and its practical implications remain limited at this stage.